<!--
 * @Description:It is troublesome to implement radio button group in the form. So it is extracted independently as a separate component
-->
<template>
  <RadioGroup v-bind="attrs" v-model:value="state" button-style="solid" @change="handleChange">
    <template v-for="item in getOptions" :key="`${item.value}`">
      <RadioButton v-if="props.isBtn" :value="item.value" :disabled="item.disabled">
        {{ item.label }}
      </RadioButton>
      <Radio v-else :value="item.value" :disabled="item.disabled">
        {{ item.label }}
      </Radio>
    </template>
  </RadioGroup>
</template>
<script lang="ts" setup name="ApiRadioGroup">
import { Radio } from 'ant-design-vue';
import { get, omit } from 'lodash-es';
import { computed, ref, unref, watch, watchEffect } from 'vue';

import { useRuleFormItem } from '@/hooks/component/useFormItem';
import { useAttrs } from '@/hooks/core/useAttrs';
import { isFunction } from '@/utils/is';
import { propTypes } from '@/utils/propTypes';

const RadioButton = Radio.Button;
const RadioGroup = Radio.Group;

interface OptionsItem {
  label: string;
  value: string | number | boolean;
  disabled?: boolean;
}

const props = defineProps({
  api: {
    type: Function as PropType<(arg?: Recordable | string) => Promise<OptionsItem[]>>,
    default: null,
  },
  params: {
    type: [Object, String] as PropType<Recordable | string>,
    default: () => ({}),
  },
  value: {
    type: [String, Number, Boolean] as PropType<string | number | boolean>,
  },
  isBtn: {
    type: [Boolean] as PropType<boolean>,
    default: false,
  },
  numberToString: propTypes.bool,
  resultField: propTypes.string.def(''),
  labelField: propTypes.string.def('label'),
  valueField: propTypes.string.def('value'),
  immediate: propTypes.bool.def(true),
});
const emit = defineEmits(['options-change', 'change']);

const options = ref<OptionsItem[]>([]);
const loading = ref(false);
const isFirstLoad = ref(true);
const emitData = ref<any[]>([]);
const attrs = useAttrs();
// Embedded in the form, just use the hook binding to perform form verification
const [state] = useRuleFormItem(props);

// Processing options value
const getOptions = computed(() => {
  const { labelField, valueField, numberToString } = props;

  return unref(options).reduce((prev, next: Recordable) => {
    if (next) {
      const value = next[valueField];
      prev.push({
        label: next[labelField],
        value: numberToString ? `${value}` : value,
        ...omit(next, [labelField, valueField]),
      });
    }
    return prev;
  }, [] as OptionsItem[]);
});

watchEffect(() => {
  props.immediate && fetch();
});

watch(
  () => props.params,
  () => {
    !unref(isFirstLoad) && fetch();
  },
  { deep: true },
);

async function fetch() {
  const api = props.api;
  if (!api || !isFunction(api)) return;
  options.value = [];
  try {
    loading.value = true;
    const res = await api(props.params);
    if (Array.isArray(res)) {
      options.value = res;
      emitChange();
      return;
    }
    if (props.resultField) {
      options.value = get(res, props.resultField) || [];
    }
    emitChange();
  } catch (error) {
    console.warn(error);
  } finally {
    loading.value = false;
  }
}

function emitChange() {
  emit('options-change', unref(getOptions));
}

function handleChange(args) {
  emitData.value = args;
}
</script>
